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Propylene glycol

PROPYLENE GLYCOL USP GRADE
CAS No.:57-55-6
Appearance:Colorless,Colorless,Viscous,transparent liquid

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Introduction Parameters

Item Unit Specification Result

PG?content	Wt?%	99.80?min	99.886
Moisture	%	0.15max	0.049
Colourity(Pt-Co)	APHA	10	5
Acidity	%	0.5?max	0.27
IBP	DegC	186?min	186.8
DP	DegC	189?max	188.6
Iron	ppm	0.5?max	<0.5
Sulfate	%	0.006max	<0.006
Chloride	%	0.007max	<0.007
Heavy?Metals(Pb)	%	0.0005?max	<0.0005
Residue?on?Ignition	mg	2.5?max	0.3
Density?(20℃)	20/20degC	1.035-1.038	1.0355
Index?of?refraction	nD20	1.431-1.435	1.4327
Appearance		Colorless,?Colorless,Viscous,?transparent?liquid	Colorless,?Colorless,Viscous,?transparent?liquid

Conclusion:?The?product?of?this?batch?can?match?the?specification?by?analysis.

Product?Name:PROPYLENE?GLYCOL?USP?GRADE

Batch Number: CG20210120?Manufacturing

Date: JAN 20, 2021

Expiry Date:?JAN?19,?2022